©Copyright LOTRONIC 2015 DJM250BT-MKII 1
USB STEREO MIXER
TABLE DE MIXAGE STEREO USB
USB STEREOMISCHPULT
MIXER STEREO USB
MESA DE MISTURA STEREO
USB STEREO MIKSER
USB STEREO MENGPANEEL
MEZCLADOR USB ESTEREO
Ref.: DJM250BT-MKII
USER MANUAL
MANUEL D’UTILISATION
BEDIENUNGSANLEITUNG
MANUAL DE INSTRUÇÕES
MANUAL DE UTILIZARE
NAVODILA ZA UPORABO
HANDLEIDING
MANUAL DE INSTRUCCIONES
©Copyright LOTRONIC 2015 DJM250BT-MKII 2
TOP PANEL:
Rear Panel:
SAFETY RECOMMENDATIONS
MAGNETIC FIELD
CAUTION! Do not locate sensitive high gain equipment such as preamplifiers or tape decks directly above or below
the unit. This unit has a strong magnetic field which can induce hum into unshielded devices that are located nearby.
The field has strongest spots just above and below the unit. Locate the amplifier at the bottom of the rack and the
preamplifier or other sensitive equipment at the top.
To prevent electric shock, do not remove top or bottom covers.
No user serviceable parts inside.
Refer servicing to qualified servicing personnel.
Disconnect power cord before removing back panel cover to access gain switch.
No naked flame sources, such as lighted candles, should be placed on the
apparatus
The unit should only be used in moderate climates
This unit should be cleaned only with a dry cloth. Avoid solvents or other
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
GB
©Copyright LOTRONIC 2015 DJM250BT-MKII 3
cleaning detergents
A minimum distance of 0.5m around the unit must be kept to ensure sufficient ventilation and avoid
overheating
WARNING! To reduce the risk of electric shock, do not expose this equipment to rain or moisture!
The exclamation point triangle is used to alert the user to important operating or maintenance instructions
The lightning bolt triangle is used to alert the user to the risk of electric shock
Controls
1. Mic 1 Socket
Connect your microphone with 1/4” jack plug here.
2. MIC Level Control
With this knob, you can adjust the microphone volume
3. MIC Treble
Used to increase or lower the microphone’s higher frequencies.
4. MIC Bass
Used to increase or lower the microphone’s lower frequencies.
5. Talkover Button
Press this button if you want to use your microphone. When the button is pressed, all other signal sources
will be attenuated by 14dB, so that the microphone can be clearly heard. In the OFF position, all signals
returns to their original level.
6. Phono/Line Switch
Use this switch to select the input to be sent to the individual channel.
7. Treble Control
Used to increase or lower the HIGHS of the input channel.
8. Middle Control
Used to increase or lower the MIDS of the input channel.
9. Bass Control
Used to increase or lower the LOWS of the input channel
10. Channel Fader
Used to adjust the level of each channel.
11. Crossfader
Mixes the signals of one channel with another. If the crossfader is in the center position. Both channels can
be heard.
12. Headphone Socket
Connect your headphone with impedance between 8 and 600 Ohms to this connector.
13. Cue Button
Use this button in order to select the channel(s) to be monitored by headphones.
14. HEADPHONE LEVEL CONTROL
Let you to control the volume level of headphone
15. HEADPHONE CUE/PGM CONTROL
Allows you to listen simultaneously or separately to the CUE material or the active program.
16. Master Control
Adjust the level of the master-output.
©Copyright LOTRONIC 2015 DJM250BT-MKII 4
17. Master Level Display
The LED display shows the level of the left and right master output
18. BOOTH Control
This knob controls the overall output level leaving the booth unbalanced RCA outputs.
19. MP3 PLAYER & BLUETOOTH
To refer USB / SD / BLUETOOTH PLAYER OPERATION below
REAR PANEL DESCRIPTION
20. Power Switch
Press down the button to turn on this unit. The LED will illuminate when the power is on.
21. AC Connection
Connect the unit to an appropriate 220-240Vac outlet.
22. XLR BALANCE OUTPUT JACKS
Connect the mixer to a receiver via cables with XLR plugs
23. BOOTH OUTPUT JACKS
Connect the mixer to a second amplifier powering speakers in the DJ booth or in a remote location
24. Master Output
Master output connects to the main amplifier (DJ final mix after crossfader section), accepts RCA jacks
25. RECORD OUTPUT JACKS
Connect the mixer to a recorder to record your mix. The output signal is the same as on the MASTER jacks.
26. Phono/Line Inputs Sockets
These inputs, for ch1-ch2 and accept RCA-plug connectors. Use phono input socket for phonograph
turntables. Use line socket for CD/MP3 players. Line level musical instruments with stereo outputs such as
rhythm machines or samplers should also be connected with the line input socket.
27. Inputs Switch
Set these switches based on what is plugged into Phono/ Line input jacks
USB / SD / BLUETOOTH PLAYER OPERATION
1. SD CARD SLOT
Insert your SD card into this slot.
Note: Before you eject the SD card, please set the
playback in pause mode or select another playback
support (USB or Bluetooth)
2. LCD DISPLAY
The LCD display shows information as playback
support, file name, elapsed time, total time, file number, total file number, file system ( MP3 or WMA ) and
playback mode ( Repeat one, repeat all, or random. )
Note: In Bluetooth mode, LCD display shows only connection status (connected or disconnected). All playback
information is on the Bluetooth device.
3. USB SOCKET
Connect your USB key to this slot.
Note: Before you eject the USB key, please set the unit in pause mode or select another playback support (SD
card or Bluetooth).
4. STOP: Use this button to stop playback.
5. PLAY / PAUSE BUTTON
This button is used to start the playback or to enter in pause mode.
©Copyright LOTRONIC 2015 DJM250BT-MKII 5
6.|<< PREVIOUS
Use this button to select the previous track.
7.>>| NEXT
Use this button to select the next track.
8. MODE BUTTON
Simple press allows you to choose the playback support: SD, USB or bluetooth
Note: If you choose Bluetooth mode, the player will enable the Bluetooth pairing system. You have to pair your
Bluetooth device with the player. For that, you must to enable your Bluetooth system on your device. Your
device will search the player and find the Bluetooth system called « IBIZA1 for channel one or IBIZA2 for
channel two). To link your device to the player, you must to enter PIN code 0000. Now, your device and the
player are linked. You must to start playback on your device to listen it on the mixer.
SPECIFICATIONS
INPUTS:
Microphone ........................................................................................................................... 3mV / 2.2 kΩ
Phono .................................................................................................................................. 3.2mV / 47 kΩ
Line ..................................................................................................................................... 150mV / 47
OUTPUTS:
Main .................................................................................................................................. 0 dB / 1V 600Ω
Booth ................................................................................................................................. 0 dB / 1V 600Ω
Rec .................................................................................................................................. -5dB / 0.5V 600Ω
Phono ...................................................................................................................................... 300mW/16-32Ω
Tone Control
Treble.....................................................................................................................................+12dB/-12dB
Middle ...................................................................................................................................+12dB/-12dB
Bass .......................................................................................................................................+12dB/-12dB
GENERAL:
Frequency response ..................................................................................................... 20Hz20 kHz ±2dB
Distortion ....................................................................................................................................... <0.02%
S/N Ratio ....................................................................................................................... better than 90 dB
Electric products must not be put into household waste. Please bring them to a recycling centre. Ask your local authorities
or your dealer about the way to proceed.
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